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| Name | Class |
|---|---|
| Arizona State University | OTHER |
| Arizona Department of Health Services | OTHER_GOV |
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The goal is to evaluate at three sites the implementation of the Safer Bars sexual assault prevention program.
Sexual violence perpetration is robustly associated with social contexts that support high levels of alcohol consumption. Beginning in 2007, the Arizona Department of Health Services (ADHS) developed and field-tested the Safer Bars curriculum with support from the CDC Rape Prevention and Education (RPE) funding program. Safer Bars is a bystander prevention training for staff of alcohol serving establishments. This application proposes a theory-driven, quasi-experimental effectiveness evaluation based at The University of Arizona. Our approach is significant because few evaluations have measured behavioral outcomes as well as the mediators that explain the observed changes in bystander behavior, or community-level outcomes associated with such interventions. Specific Aims: the specific aims are to: (1) Test a hypothesized mediational model of individual-level behavioral outcomes based on the Theory of Planned Behavior; (2) assess the effect of the program on bar-level risk management safety policies; and (3) examine the community-level impact of the Safer Bars program on reducing the number of police dispatches in areas with high densities of alcohol-serving establishments. Methods: A cluster-randomized trial design with crossover to randomize participants at the bar level into intervention and delayed intervention arms is proposed. Assessments are at baseline, completion of training, and at three and six months post-training. The sample bars will be selected within a three-mile radius of the three major Arizona universities, all of which have a high density of alcohol-serving establishments adjacent to campus. Our analytical model will assess a hypothesized moderated mediational model based in the Theory of Planned Behavior (TPB). Outcomes of interest include: (a) the extent to which Behavioral Intent, the central construct of TPB, mediates bar staff performance of intended bystander behaviors at three-month follow-up and the extent to which this relationship is moderated by personal characteristics and bar environment; (b) the effects of the program on bar-level risk management patron safety policies; and, (c) the community-level effects as demonstrated by number of police dispatches in areas with a high density of alcohol-serving establishments at baseline and at the end of the project using GIS data. With evidence of efficacy, Safer Bars is feasible for scale-up without excessive financial burden in other states, which all receive RPE funding.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Control | Other | Delayed intervention: baseline and 3-month assessment prior to receiving the Safer Bars training. |
|
| Intervention | Experimental | This arm with consist of bars randomized to have the Safer Bars training on their premises attended by all their liquor serving staff with assessment directly before and after training (pre/post), and at 3 and 6 months post-training follow-up. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Safer Bars | Behavioral | Safer Bars, a primary perpetration prevention program based on a bystander intervention model and the theory of planned behavior. Bar staff are trained to recognize and respond to sexual aggression and its precursors among patrons. |
| Measure | Description | Time Frame |
|---|---|---|
| Number of Participants Who Reported Always Intervening Behavior at 6 Months | Self-reported survey items measuring actual behavior (action taken) in response to observation of sexual aggression in the bar environment will be analyzed to identify significant differences post-intervention. | at baseline and up to 6 months |
| Did Not Offer Promotions Aimed at Attracting Female Patrons Post-intervention | Self-reported survey items completed by bar owners/managers regarding promotions aimed at attracting female patrons | at baseline and up to 3 months |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Mary P Koss, PhD | University of Arizona | Principal Investigator |
| Kelly C Davis, MSW, PhD | Arizona State University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of Arizona | Tucson | Arizona | 85724 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 38458561 | Background | Davis KC, Koss MP, Lopez EC, Roberts K. Safer Bars: A cluster-randomized effectiveness evaluation of alcohol-related sexual violence prevention through bar staff bystander training. Contemp Clin Trials. 2024 May;140:107488. doi: 10.1016/j.cct.2024.107488. Epub 2024 Mar 6. | |
| 39404150 | Result | Roberts K, Davis KC, Koss MP, Lopez EC. Feasibility and Acceptability of a Bar-Staff Bystander Intervention Training Program for Reducing Sexual Aggression. J Stud Alcohol Drugs. 2025 Mar;86(2):238-245. doi: 10.15288/jsad.24-00031. Epub 2024 Oct 15. |
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De-identified responses to survey questions will be provided to qualified investigators upon request with the time frame conditions described below. Any measures used that were developed or modified by the investigators will be provided as will the study protocol, SAP, and analytic code will be provided at any point after study completion to facilitate replication studies.
Five years after study completion, or sooner if requested by journal reviewers or colleagues for purposes of writing comments or critiques.
Research institution
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| ID | Title | Description |
|---|---|---|
| FG000 | Control Staff | Delayed intervention: baseline and 3-month assessment prior to receiving the Safer Bars training. Safer Bars: Safer Bars, a primary perpetration prevention program based on a bystander intervention model and the theory of planned behavior. Bar staff are trained to recognize and respond to sexual aggression and its precursors among patrons. |
| FG001 | Intervention Staff | This arm with consist of bar staff randomized to have the Safer Bars training on their premises attended by all their liquor serving staff with assessment directly before and after training (pre/post), and at 3 and 6 months post-training follow-up. Safer Bars: Safer Bars, a primary perpetration prevention program based on a bystander intervention model and the theory of planned behavior. Bar staff are trained to recognize and respond to sexual aggression and its precursors among patrons. |
| FG002 | Control Managers | Delayed intervention: baseline and 3-month assessment prior to receiving the Safer Bars training. Safer Bars: Safer Bars, a primary perpetration prevention program based on a bystander intervention model and the theory of planned behavior. Bar managers are trained to recognize and change bar policies and environment to reduce sexual aggression and its precursors among patrons. |
| FG003 | Intervention Managers | This arm will consist of bar managers randomized to have the Safer Bars training on their premises attended by all their liquor serving staff with assessment directly before and after training (pre/post), and at 3 months post-training follow-up. Safer Bars: Safer Bars, a primary perpetration prevention program based on a bystander intervention model and the theory of planned behavior. Bar managers are trained to recognize and change bar policies and environment to reduce sexual aggression and its precursors among patrons. |
| Title | Milestones | Reasons Not Completed | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall Study |
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| ID | Title | Description |
|---|---|---|
| BG000 | Control Staff | Delayed intervention: baseline and 3-month assessment prior to receiving the Safer Bars training. Safer Bars: Safer Bars, a primary perpetration prevention program based on a bystander intervention model and the theory of planned behavior. Bar staff are trained to recognize and respond to sexual aggression and its precursors among patrons. |
| Units | Counts |
|---|---|
| Participants |
|
| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes |
|---|---|---|---|---|---|---|---|---|---|
| Age, Categorical | Count of Participants |
| Type | Title | Description | Population Description | Reporting Status | Anticipated Posting Date | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Time Frame | Units Analyzed | Denominator Units Selected | Arm/Group Information | Denominators | Classes | Analyses | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary | Number of Participants Who Reported Always Intervening Behavior at 6 Months | Self-reported survey items measuring actual behavior (action taken) in response to observation of sexual aggression in the bar environment will be analyzed to identify significant differences post-intervention. | Posted | Count of Participants | Participants | at baseline and up to 6 months |
|
6 months
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| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | Control | Delayed intervention: baseline and 3-month assessment prior to receiving the Safer Bars training. Safer Bars: Safer Bars, a primary perpetration prevention program based on a bystander intervention model and the theory of planned behavior. Bar staff are trained to recognize and respond to sexual aggression and its precursors among patrons. |
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| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Mary Koss | University of Arizona | 5204818610 | mpk@arizona.edu |
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| Type | Includes Protocol | Includes SAP | Includes ICF | Document Label | Document Date | Document Uploaded Date | Document File Name |
|---|---|---|---|---|---|---|---|
| Prot_SAP | Yes | Yes | No | Study Protocol and Statistical Analysis Plan | Mar 13, 2025 | Mar 13, 2025 | Prot_SAP_000.pdf |
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A cluster-randomized trial design with crossover to randomize participants at the bar level into intervention and delayed intervention arms.
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Participants use code numbers to submit their data.
| BG001 |
| Intervention Staff |
This arm will consist of staff randomized to have the Safer Bars training on their premises attended by all their liquor serving staff with assessment directly before and after training (pre/post), and at 3 and 6 months post-training follow-up. Safer Bars: Safer Bars, a primary perpetration prevention program based on a bystander intervention model and the theory of planned behavior. Bar staff are trained to recognize and respond to sexual aggression and its precursors among patrons. |
| BG002 | Control Managers | Delayed intervention: baseline and 3-month assessment prior to receiving the Safer Bars training. Safer Bars: Safer Bars, a primary perpetration prevention program based on a bystander intervention model and the theory of planned behavior. Bar managers are trained to recognize and change bar policies and environment to reduce sexual aggression and its precursors among patrons. |
| BG003 | Intervention Managers | This arm with consist of managers randomized to have the Safer Bars training on their premises attended by all their liquor serving staff with assessment directly before and after training (pre/post), and at 3 months post-training follow-up. Safer Bars: Safer Bars, a primary perpetration prevention program based on a bystander intervention model and the theory of planned behavior. Bar managers are trained to recognize and change bar policies and environment to reduce sexual aggression and its precursors among patrons. |
| BG004 | Total | Total of all reporting groups |
| Participants |
|
| Sex/Gender, Customized | Count of Participants | Participants |
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| Race/Ethnicity, Customized | Count of Participants | Participants |
|
This arm will consist of staff randomized to have the Safer Bars training on their premises attended by all their liquor serving staff with assessment directly before and after training (pre/post), and at 3 and 6 months post-training follow-up. Safer Bars: Safer Bars, a primary perpetration prevention program based on a bystander intervention model and the theory of planned behavior. Bar staff are trained to recognize and respond to sexual aggression and its precursors among patrons. |
|
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| Primary | Did Not Offer Promotions Aimed at Attracting Female Patrons Post-intervention | Self-reported survey items completed by bar owners/managers regarding promotions aimed at attracting female patrons | Posted | Count of Participants | Participants | at baseline and up to 3 months |
|
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|
| 0 |
| 335 |
| 0 |
| 335 |
| 0 |
| 335 |
| EG001 | Intervention | This arm with consist of bars randomized to have the Safer Bars training on their premises attended by all their liquor serving staff with assessment directly before and after training (pre/post), and at 3 and 6 months post-training follow-up. Safer Bars: Safer Bars, a primary perpetration prevention program based on a bystander intervention model and the theory of planned behavior. Bar staff are trained to recognize and respond to sexual aggression and its precursors among patrons. | 0 | 346 | 0 | 346 | 0 | 346 |
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